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FKIE_CVE-2026-54177

Vulnerability from fkie_nvd - Published: 2026-09-14 18:17 - Updated: 2026-09-16 17:17
Severity
6.6 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
backpack/crud provides Create, Read, Update & Delete (CRUD) functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.38, HasUploadFields methods uploadFileToDisk and uploadMultipleFilesToDisk, used through CrudTrait, and the withFiles() path through FileNameGenerator do not internally reject server-executable file types. An authenticated administrator can achieve remote code execution by using an upload-enabled CRUD field without mimes: and mimetypes: validation when the public disk is web-accessible through php artisan storage:link and the web-server and PHP-FPM configuration executes the stored extension. The legacy path preserves an accepted extension and the newer path derives an extension without blocking dangerous types. The package-level restriction is defense in depth and does not replace application-level upload validation. This issue is fixed in versions 6.8.14 and 7.0.38.
References
security-advisories@github.comhttps://github.com/Laravel-Backpack/CRUD/commit/5c5de0af242619d0653c7c70c900cd15b1a197c5
security-advisories@github.comhttps://github.com/Laravel-Backpack/CRUD/commit/76c3a6e50e3fbd6d5f633208da5b04acb8322969
security-advisories@github.comhttps://github.com/Laravel-Backpack/CRUD/pull/5993
security-advisories@github.comhttps://github.com/Laravel-Backpack/CRUD/pull/5994
security-advisories@github.comhttps://github.com/Laravel-Backpack/CRUD/releases/tag/6.8.14
security-advisories@github.comhttps://github.com/Laravel-Backpack/CRUD/releases/tag/7.0.38
security-advisories@github.comhttps://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-8q2w-pv9p-mjvc
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "CRUD",
          "vendor": "Laravel-Backpack",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 6.0.0, \u003c 6.8.14"
            },
            {
              "status": "affected",
              "version": "\u003e= 7.0.0, \u003c 7.0.38"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "backpack/crud provides Create, Read, Update \u0026 Delete (CRUD) functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.38, HasUploadFields methods uploadFileToDisk and uploadMultipleFilesToDisk, used through CrudTrait, and the withFiles() path through FileNameGenerator do not internally reject server-executable file types. An authenticated administrator can achieve remote code execution by using an upload-enabled CRUD field without mimes: and mimetypes: validation when the public disk is web-accessible through php artisan storage:link and the web-server and PHP-FPM configuration executes the stored extension. The legacy path preserves an accepted extension and the newer path derives an extension without blocking dangerous types. The package-level restriction is defense in depth and does not replace application-level upload validation. This issue is fixed in versions 6.8.14 and 7.0.38."
    }
  ],
  "id": "CVE-2026-54177",
  "lastModified": "2026-09-16T17:17:20.323",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.6,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.7,
        "impactScore": 5.9,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-54177",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-16T16:06:34.718018Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-14T18:17:52.757",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Laravel-Backpack/CRUD/commit/5c5de0af242619d0653c7c70c900cd15b1a197c5"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Laravel-Backpack/CRUD/commit/76c3a6e50e3fbd6d5f633208da5b04acb8322969"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Laravel-Backpack/CRUD/pull/5993"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Laravel-Backpack/CRUD/pull/5994"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Laravel-Backpack/CRUD/releases/tag/6.8.14"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Laravel-Backpack/CRUD/releases/tag/7.0.38"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-8q2w-pv9p-mjvc"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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